Sand Worm (Monk)(Card)

 is one of the Ability Cards in Mobius Final Fantasy. It is a Dropped Card that can obtained by completing the tutorial part (Treasure Hunt) of Act 2: Warrior of Despair, Chapter 1 - A World Adrift: The Nameless Maiden. As for now it seems this is the only way to attain this card.

Ability Stats - Sandstorm (Monk)
Monk ability - Area earth attack. Adds Stun (prevents action) and Taijutsu (Attack increases ability damage and allows it to reduce Break gauges).